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Table 2 Path coefficients between Pn and environmental factors of Liriope muscari grown under high (HI), medium (MI) and low (LI) incident PAR in two groups

From: Photosynthetic performance and growth responses of Liriope muscari (Decne.) L.H. Bailey (Asparagaceae) planted within poplar forests having different canopy densities

TreatmentVariableDirect effectIndirect effectDecision coefficient
PAR X1Tleaf X2RH X3
HI-1PAR X1− 0.090.1280.6840.812− 0.651
 Tleaf X20.154− 0.0750.8300.755− 0.547
 RH X3− 0.8880.069− 0.144− 0.0750.783
Regression equation: Y = 7.617 + 0.001 * X1 + 0.049 * X2 − 0.131 * X3
MI-1PAR X10.032− 0.0900.8510.760− 0.577
 Tleaf X2− 0.1080.0270.9670.993− 0.975
 RH X3− 1.035− 0.0260.1010.0751.066
Regression equation: Y = 9.317 + 0.001 * X1 − 0.032 * X2 − 0.157 * X3
LI-1PAR X10.3830.5620.562− 0.170
 Tleaf X20.6080.3540.3540.244
Regression equation: Y = − 1.519 + 0.017 * X1 + 0.152 * X2
HI-2Tleaf X2− 3.6304.2874.2870.657
 RH X3− 4.3263.5973.597− 0.729
Regression equation: Y = 48.844 − 1.044 * X2 − 0.682 * X3
MI-2PAR X11.4− 0.263− 0.371− 0.6341.558
 Tleaf X2− 0.2791.320− 0.3770.943− 0.812
 RH X30.384− 1.3540.274− 1.080− 1.019
Regression equation: Y = 0.262 + 0.07 * X1 − 0.094 * X2
LI-2PAR X11.293− 0.314− 0.141− 0.4561.464
 Tleaf X2− 0.3631.120− 0.1400.980− 0.828
 RH X30.147− 1.2430.346− 0.897− 0.783
Regression equation: Y = − 0.337 + 0.056 * X1 − 0.091 * X2 + 0.022 * X3